package io;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.sql.SQLOutput;

/**
 * 文件复制
 *
 */
public class CopyDemo {
    public static void main(String[] args)throws IOException {
        FileInputStream fis = new FileInputStream("tupian.webp");
        FileOutputStream fos = new FileOutputStream("tupian_cp.webp");

        int d;
        long start =System.currentTimeMillis();
        System.out.println(start);
        while ((d= fis.read()) !=-1) {
            fos.write(d);
        }
        long end = System.currentTimeMillis();
        System.out.println("复制完毕!耗时"+(end-start)+"ms");

        fis.close();
        fos.close();

    }
}
